Comparison of MSI Radeon RX 6900 XT Gaming X Trio 16G video card vs XFX Speedster MERC 319 Radeon RX 6900 XT Ultra Gaming video card by specs and benchmarks. MSI Radeon RX 6900 XT Gaming X Trio 16G runs at 1.925 GHz+ 5 % base clock speed and has 16 GB of GDDR6 memory, while video card XFX Speedster MERC 319 Radeon RX 6900 XT Ultra Gaming runs at 1.925 GHz+ 5 % base clock speed and has 16 GB of GDDR6 memory. The weight is different, 1576 g vs --. The TDP of the first video card is 300 W, and the second is 300 W . Compare the benchmark results to find out which video card is better.